✔️ Wauwu Production ✔️ BNIB Factory Sealed ✔️ Made By Stainless Steel / Copper ✔️ 1.77" L x 1.10" W x 0.39" D / Metric: 45 x 28 x 10 mm ✔️ Weight: 67g(Stainless Steel) / 74g(Copper) ✔️ 6mm N52 Magnets ✔️ Stone Tumbled Surface ✔️ Series Number In Ancient Chinese Word ✔️ Limited Edition